Lan Voip Gateway (4FXS)

详情

Features
One RS**2 port for configuration
Eight standard RJ*1 ports, FXS for analog phones
One bypass port
Five *0/**0M BASE-T connect WAN/LAN
Supports VLAN TAG
Supports static/dynamic NAT translate
Supports Modem NAT
Supports Jitter Buffer to clear network jitter
Supports static IP address configure
Supports PPPoE (Point to Point Protocol over
Ethernet)/DHCP (Dynamic Host Configuration
Protocol) Server, performance IP address
dynamic distribute, enhance management
convenience and access flexibility
PPPoE/DHCP auto redial when off line
Supports on line software upgrade
Self-learn MAC address
Capacity to define one virtual MAC virtual per
each VLAN associated to every PPPoE session
Supports multi configure, as Console, Web, Telnet
Management User’s level authority, high security
Force reset factory setting, good surviva
Supports quite tone detect/ CNG (Comfort Noise
Generation)
Supports T.*0/ T.*8 fax, fax translate
Support T.*8 compliant Group 3 Fax Relay up
to *4.4kpbs and auto-switch to G.**1 for Fax
Pass-through
Support the Modem call function
Billing mode: Polarity
Telecom grade lighten proof
Recover loss package feature
Auto-sensing dynamic buffer technology, Max
**0ms, to meet bad network environment
application
Adopt authority verify network security mode
Supports Caller detect and Caller ID
Option DTMF band internal/external transmission
technology
Option /output gain control
Supports polarity control（need operator support
such service）
Supports call wait, call transfer, call forward,
abbreviation dial, no-disturb (need operator support
such service)
Supports *4/*8/*6/*4/*8/*2/9/6/*1/5.5/3/2/1Mbps
wireless LAN data transfer rates
Supports *4/***-bits WEP, complies with **8 bit
WPA standard (TKIP/AES)
Protocol
Control Protocol: SIP/MGCP, supports on line
upgrade and modify between two protocols
Voice Codecs: G.**1 (A-law and u-law), G.**3.1,
G.**9, supports voice compress arithmetic
dynamic switch
Analog voice interface: DTMF detect
Echo cancellation: G.**5/G.**8
Ethernet port: IEEE **2.3 *0BASE-T Ethernet;
IEEE **2.3u **0BASE-TX Fast Ethernet
WiFi: IEEE **2.*1g、IEEE **2.*1b、IEEE **2.*1a
Network Protocol: TCP/IP, UDP, ARP, ICMP,
TELNET, SNMP, RTP/RTCP, TFTP, NAT,
DHCP, PPPoE
Network Management: SNMP, Telnet, Web-based
GUI. Console
Security Feature: Password-Protected
Administration on Telnet, Console, Web and SNMP Supports VLAN, avoid network storm
Powerful QoS
Based on IPv4 ToS and distinguish service, set
different service level according to different
package to ensure voice package’s high priority
Based on IEEE**2.1p *-level priority, Tag high
priority on voice package to ensure voice quality